tag @s remove parkour_start
tellraw @s [{"text":"It took you ","color":"gold","bold":false,"italic":false,"underlined":false,"strikethrough":false,"obfuscated":false},{"score":{"objective":"time_s","name":"@s"},"color":"red","bold":false,"italic":false,"underlined":true,"strikethrough":false,"obfuscated":false},{"text":"s","color":"gold","bold":false,"italic":false,"underlined":false,"strikethrough":false,"obfuscated":false},{"text":" to beat this simple Parkour!","color":"gold","bold":false,"italic":false,"underlined":false,"strikethrough":false,"obfuscated":false}]
tellraw @s [{"text":"准确数值:","color":"gold","bold":false,"italic":false,"underlined":false,"strikethrough":false,"obfuscated":false},{"score":{"objective":"time","name":"@s"},"color":"red","bold":false,"italic":false,"underlined":true,"strikethrough":false,"obfuscated":false},{"text": "tick","color": "gold"}]
scoreboard players reset @s time 
scoreboard players reset @s time_s